Home / 709,841.70-1,064,762.55-658,520.10

Finding the Fourth Proportional to 709,841.70, 1,064,762.55 and 658,520.10

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Solution

The fourth proportional to 709,841.70, 1,064,762.55 and 658,520.10 is: 987,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,841.70 : 1,064,762.55 = 658,520.10 : x
  2. Step 2: Convert to fraction form
    709,841.70/1,064,762.55 = 658,520.10/x
  3. Step 3: Cross multiply
    709,841.70x = 1,064,762.55 × 658,520.10
  4. Step 4: Simplify right side
    709,841.70x = 701,167,540,902.26
  5. Step 5: Solve for x
    x = 701,167,540,902.26/709,841.70
  6. Step 6: Final answer
    x = 987,780.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.